#3f3fd5
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 63, 213
HSL
240°, 64%, 54%
CMYK
70, 70, 0, 17
Luminance
0.0942
Every format
| HEX | #3f3fd5 |
| RGB | rgb(63, 63, 213) |
| HSL | hsl(240, 64%, 54%) |
| CMYK | cmyk(70%, 70%, 0%, 17%) |
| LAB | lab(36.8 47.7 -76.5) |
| LCH | lch(36.8 90.1 301.9) |
| OKLCH | oklch(0.475 0.222 274.0) |
Copy-ready code
/* CSS */
color: #3f3fd5;
background-color: #3f3fd5;
/* Tailwind (arbitrary) */
class="text-[#3f3fd5] bg-[#3f3fd5]"
/* SCSS */
$brand: #3f3fd5;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 0.835)
/* Android */
Color.parseColor("#3f3fd5")Accessibility — WCAG contrast
Aa
#3f3fd5 on white: 7.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f3fd5 on black: 2.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue83.5%
CMYK percentages
Cyan70.4%
Magenta70.4%
Yellow0.0%
Key (black)16.5%
Color previews
#3f3fd5 text on a black background
contrast 2.88:1
Card sample
#3f3fd5 text on a white background
contrast 7.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fd5;
Background color
Panel with #3f3fd5 background
background-color: #3f3fd5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fd5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 213, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 213, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fd5; background: linear-gradient(135deg, #3f3fd5, #A33FD5);